OCI FOUNDATIONS 202 ASSOCIATE
CERTIFICATION 1Z0 1085 21 2026 PRACTICE
TEST QUESTIONS AND DETAILED OCI
ARCHITECTURE BREAKDOWN FULL REVIEW
◉ What are three components to Data and AI. Answer: Big Data, AI
services, and Messaging
◉ What are three components to Governance and Administration.
Answer: Cloud Ops, Security, Observability
◉ What are some Developer Services. Answer: Low code, AppDev,
Infrastructure as code
◉ What are some services in low code. Answer: Apex
◉ What are some services in AppDev. Answer: Visual builder studio,
GraalVM, Helidon, SQL Developer, Shell, API/CLI/SDKs/Docs
◉ What are some services in Infrastructure as code. Answer:
Resource Manager, Terraform, Ansible
,◉ What are some key services in Business Analytics. Answer:
Analytics cloud, fusion analytics
◉ what are some severless services. Answer: Events, Functions, API
gateway
◉ what are some App integration services. Answer: integration
cloud, workflow, notifications, email delivery
◉ What are some Business & Industry SaaS. Answer: ERP, HCM, SCM,
Sales, Marketing, customer service, Vertical industry
◉ What are considerations in choosing a region. Answer: - Location -
choose a region closest to users for lower latency.
- Data Residency & Compliance - many countries have strict data
residency requirements
- Service Availability - services are made available based on regional
demand, regulatory compliance, resource availability, and other
factors
◉ If one availability domain goes down in a region will it affect the
others?. Answer: No - Availability Domains are Isolated from each
other, fault tolerant, unlikely to fail simultaneously
,◉ How many fault domains are in a Availability domain. Answer: 3
◉ What is a fault domain. Answer: logical data center in availability
domain
◉ what is data guard used for. Answer: Synchronizing data between
availability domains
◉ What is purpose of fault domains. Answer: Fault domains prevent
failure in a Availability domain
◉ What is purpose of Availability domains. Answer: used to prevent
failure in a region
◉ what is the purpose of a region pair. Answer: Most regions have
two separate availability domain locations to reduce the risk of
disaster affecting a location
◉ What is OCI IAM. Answer: Identity Access Management Service -
Access control, AuthN (who are you) and AuthZ (what permissions
do you have)
◉ RBAC. Answer: Role Based Access Control - Access /privilege
control that is based on a users role
, ◉ Instance Principal. Answer: instance and applications can make
API calls
◉ What is OCID. Answer: Oracle Cloud ID - identifies Oracle
resources
◉ How is OCID broken down. Answer: ocid1.<resource
type>.<realm>[.future use].<unique ID>
ex. ocid1.volume.oc1.eu-frankfurt-
1.abasdasdasdasdadasdasdadsadsadsad
◉ How does IAM assign policy. Answer: User->Groups->Policies->
compartments->Resources
◉ Principal. Answer: IAM entities that are allowed to interact with
OCI resources
◉ what are two principals in OCI. Answer: IAM Users and Resources
◉ what is a group in OCI. Answer: are collection of users that have
the same access to resources
CERTIFICATION 1Z0 1085 21 2026 PRACTICE
TEST QUESTIONS AND DETAILED OCI
ARCHITECTURE BREAKDOWN FULL REVIEW
◉ What are three components to Data and AI. Answer: Big Data, AI
services, and Messaging
◉ What are three components to Governance and Administration.
Answer: Cloud Ops, Security, Observability
◉ What are some Developer Services. Answer: Low code, AppDev,
Infrastructure as code
◉ What are some services in low code. Answer: Apex
◉ What are some services in AppDev. Answer: Visual builder studio,
GraalVM, Helidon, SQL Developer, Shell, API/CLI/SDKs/Docs
◉ What are some services in Infrastructure as code. Answer:
Resource Manager, Terraform, Ansible
,◉ What are some key services in Business Analytics. Answer:
Analytics cloud, fusion analytics
◉ what are some severless services. Answer: Events, Functions, API
gateway
◉ what are some App integration services. Answer: integration
cloud, workflow, notifications, email delivery
◉ What are some Business & Industry SaaS. Answer: ERP, HCM, SCM,
Sales, Marketing, customer service, Vertical industry
◉ What are considerations in choosing a region. Answer: - Location -
choose a region closest to users for lower latency.
- Data Residency & Compliance - many countries have strict data
residency requirements
- Service Availability - services are made available based on regional
demand, regulatory compliance, resource availability, and other
factors
◉ If one availability domain goes down in a region will it affect the
others?. Answer: No - Availability Domains are Isolated from each
other, fault tolerant, unlikely to fail simultaneously
,◉ How many fault domains are in a Availability domain. Answer: 3
◉ What is a fault domain. Answer: logical data center in availability
domain
◉ what is data guard used for. Answer: Synchronizing data between
availability domains
◉ What is purpose of fault domains. Answer: Fault domains prevent
failure in a Availability domain
◉ What is purpose of Availability domains. Answer: used to prevent
failure in a region
◉ what is the purpose of a region pair. Answer: Most regions have
two separate availability domain locations to reduce the risk of
disaster affecting a location
◉ What is OCI IAM. Answer: Identity Access Management Service -
Access control, AuthN (who are you) and AuthZ (what permissions
do you have)
◉ RBAC. Answer: Role Based Access Control - Access /privilege
control that is based on a users role
, ◉ Instance Principal. Answer: instance and applications can make
API calls
◉ What is OCID. Answer: Oracle Cloud ID - identifies Oracle
resources
◉ How is OCID broken down. Answer: ocid1.<resource
type>.<realm>[.future use].<unique ID>
ex. ocid1.volume.oc1.eu-frankfurt-
1.abasdasdasdasdadasdasdadsadsadsad
◉ How does IAM assign policy. Answer: User->Groups->Policies->
compartments->Resources
◉ Principal. Answer: IAM entities that are allowed to interact with
OCI resources
◉ what are two principals in OCI. Answer: IAM Users and Resources
◉ what is a group in OCI. Answer: are collection of users that have
the same access to resources
